Hello and thanks for reaching out!
There is no configurable option to revert the OS without sending in your device for a reflash. Try a factory reset, AFTER backing up your personal data and see if that helps. Factory reset: http://bit.ly/Jwi4MZ
If you would like to set up a repair, please fill out this form: http://on.fb.me/sLqKwT
with your full name, email address, phone number, full address, device model number, IMEI, and all details on the problem. After we receive this information, an agent will reach out to you via email shortly.
If you need additional assistance please contact us again. You can also reach out to us via twitter or facebook for quicker responses.
Thank you and have a great day!
Samsung Mobile Support is now available on Twitter & Facebook!
Chat Support: http://goo.gl/ZALJm
answered 1 year, 8 months ago